Synopsis: A love affair between Thamarai (Kushboo) and her maternal uncle Nellaiyankondan (Jayaram) is badly received by their family, especially since he is not financially well off. Thamarai's father, King Periyamalaikozhundhu Gounder (Vijayakumar), arranges for her marriage to Mandhiyappan (Prakashraj), ruler of a neighbouring country. Thamarai rejects the arranged marriage, angering Mandhiyappan. She later marries her lover, who had come to see her marry Mandhiyappan, and challenges her brother Chinna Malaikozhundhu (Ponvannan) to marry his daughters off to her sons (the marriage of cousins is a gounder custom). Periyamalaikozhundhu disowns his daughter for choosing Nellaiyankondan and banishes them from his kingdom.

Many years later, Mayavar (Nasser), a chieftain of a village in Periyamalaikozhundhu's kingdom, encounters twin brothers Ponnar and Sankar (both played by Prashanth), who...